Anchor



FIG. 1 is a perspective view of an anchor;

FIG. 2 is a front view of the anchor, the rear view being a mirror image thereof;

FIG. 3 is a side view of the anchor, the opposite side being a mirror image thereof;

FIG. 4 is a bottom plan view of the anchor; and,

FIG. 5 is a top plan view of the anchor. 

I claim the ornamental design for an anchor, as shown and described. 